Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos pontos Lech Piasecki, Stephen Roche e Carrera Jeans-Vagabond tiveram?
 ###Tabelas: CREATE TABLE 20th-_and_21st-century_swiss_confederation_issues (20th-_and_21st-century_swiss_confederation_issues_id AUTO_INCREMENT PRIMARY KEY, Location VARCHAR, Date INT, Denomination VARCHAR, Coinage metal VARCHAR, Mintage INT, KM number VARCHAR) CREATE TABLE international_recognition (international_recognition_id AUTO_INCREMENT PRIMARY KEY, Index VARCHAR, Score VARCHAR, PALOP rank VARCHAR, CPLP rank VARCHAR, n Africa rank VARCHAR, World rank VARCHAR, Year INT) CREATE TABLE 933–1062 (933–1062_id AUTO_INCREMENT PRIMARY KEY, Throne Name VARCHAR, Title VARCHAR, Born-Died VARCHAR, Entered office VARCHAR, Left office VARCHAR, Family Relations VARCHAR) CREATE TABLE classification_leadership (classification_leadership_id AUTO_INCREMENT PRIMARY KEY, Stage VARCHAR, Winner VARCHAR, General classification VARCHAR, Points classification VARCHAR, Mountains classification VARCHAR, Young rider classification VARCHAR, Trofeo Fast Team VARCHAR) CREATE TABLE list_of_participants (list_of_participants_id AUTO_INCREMENT PRIMARY KEY, Elector VARCHAR, Place of birth VARCHAR, Cardinalatial title VARCHAR, Elevated VARCHAR, Elevator VARCHAR)  
SELECT Points classification FROM classification_leadership WHERE Young rider classification = lech piasecki AND General classification = stephen roche AND Winner = carrera jeans-vagabond